A great video on the UK Speaking Clock and its history.
Evan Doorbell is mentioned in an article about talkable busy signals back in the old days where impromptu conferences were found. https://onezero.medium.com/the-prototype-for-clubhouse-is-40-years-old-and-it-was-built-by-phone-hackers-71389d117cad
Imagine that. Verizon as well. https://arstechnica.com/tech-policy/2021/02/att-raised-phone-prices-153-as-service-got-steadily-worse-report-finds/
The Connections Museum in Seattle finally got their trouble card machine on their #5XB to work again. Fun with trouble cards! The 5XB is a confetti machine cleverly disguised as a telephone switch. pic.twitter.com/hGZxEOgYZe — Connections Museum (@museumofcomm) January 14, 2021
Domestic terrorism hits the main downtown AT&T central office in Nashville, TN – knocking out communications for a good portion of town. Link to news article